Answer:
To start building a network, you want to focus on the right people and link with those people on LinkedIn. You can add coaches, family members, and teachers. Over time, you can just keep adding people you work with or get to know and increase your network that way.
The phenomenon is a manifestation of diffusion of responsibility. The diffusion of responsibility is when there is a presence of others and there are consequences or events that has occured, a person involved or present around the area would likely take responsibility. It is a way of a person would think that other people around the area would be the one to take the responsibility or help the people involved or in need that the person who thinks that way won't likely want to be involved.
The answer you are looking for is C